Vtg watchmaker truing Parallel caliper Balance wheels repair shop tools Marshall
got these from an old watchmaker clock repair shop... have a bunch of specialty tools were listing...
vintage watchmaker's truing caliper, specifically a Watch-Craft Parallel Caliper manufactured by C. & E. Marshall Co.
Purpose: This precision tool is used to "true" or straighten balance wheels by checking them for run-out and ensuring they are flat.
Key Features: It features parallel arms for holding the balance wheel and a pointer for identifying low or high spots during rotation.
Condition: The caliper appears complete, including its original blue storage caseselling as pictured.
more than welcome to pick up at shop in butler pa & save shipping.
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